A French ormolu-mounted tulipwood, satine, sycamore, fruitwood, marquetry and parquetry dressing table is one of Huguette Clark's "Treasures," which will be up for auction June 18.

A French ormolu-mounted tulipwood, satine, sycamore, fruitwood, marquetry and parquetry dressing table is one of Huguette Clark's "Treasures," which will be up for auction June 18.

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Huguette Clark's own painting "Cereus, Night Blooming Cactus," is estimated to cost between $4,000 and $6,000.

Huguette Clark's own painting "Cereus, Night Blooming Cactus," is estimated to cost between $4,000 and $6,000.

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This 47-string double-action concert harp, made in Paris, is one of Huguette Clark's "Treasures," which will be up for auction June 18.

This 47-string double-action concert harp, made in Paris, is one of Huguette Clark's "Treasures," which will be up for auction June 18.

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This 16th century Flemish historical tapestry is part of Huguette Clark's "Treasures" collection, which will be on sale June 18.

This 16th century Flemish historical tapestry is part of Huguette Clark's "Treasures" collection, which will be on sale June 18.

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This pair of 19th century Chinese blue and white porcelain bottle vases, worth as much as $2,500, is part of Huguette Clark's "Treasures" collection, which will be on sale June 18.

This pair of 19th century Chinese blue and white porcelain bottle vases, worth as much as $2,500, is part of Huguette Clark's "Treasures" collection, which will be on sale June 18.

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Huguette Clark's treasures up for auction

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A rare Stradivarius violin worth about $7.5 million, an 18th century clock, Gilded Age furnishings and a John Singer Sargent’s painting estimated to cost as much as $5 million are some of Huguette Clark’s “treasures” to go for auction June 18.

All works from “An American Dynasty: The Clark Family Treasures” collection can be viewed from June 14 to 17 at Rockefeller Plaza in New York.

Clark, the daughter of turn-of-the-century copper tycoon and U.S. Sen. William Clark, died in 2011 at the age of 104, leaving behind a massive fortune, which fell into a battle between her distant relatives and her legal team. The feud was settled in the fall.

The reclusive heiress owned a 52-acre estate at 104 Dans Highway in New Canaan, though she never spent a night there. The mansion was sold in April for $14.3 million.

The upcoming auction features rare books from 17th and 19th centuries, a Louis XV-style 47-string double-action concert harp worth as much as $5 million, Chinese and American artworks, silver and other items.

In a different auction last month, three of her paintings were sold for a total of $40.9 million, including Monet’s “Nympheas,” from 1907, which sold for $27 million.

FILE- This August 2010, file photo, provided by Barbara Cleary's Realty Guild shows the New Caanan, Conn., estate of Huguette Clark, a copper magnate from Montana. A person familiar with the case tells The Associated Press on Saturday, Sept. 21, 2013, that Clark's relatives have reached a tentative settlement with a hospital, a nurse and others over the distribution of her roughly $300 million estate. (AP Photo/Barbara Cleary's Realty Guild, File) less

FILE- This August 2010, file photo, provided by Barbara Cleary's Realty Guild shows the New Caanan, Conn., estate of Huguette Clark, a copper magnate from Montana. A person familiar with the case tells The ... more

Photo: Associated Press

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No trespassing allowed at 104 Dans Highway, New Canaan. April 24, 2013.

No trespassing allowed at 104 Dans Highway, New Canaan. April 24, 2013.

Photo: Tyler Woods

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The 1937 Le Beau Chateau set on 52 New Canaan acres has been owned by Huguette Clark since 1952, but she has never lived there. Father and son caretakers live in matching gate houses and maintain the more than 12,700 square-foot brick mansion with nine bedrooms, seven baths, 11 marble fireplaces, a ballroom, a wine cellar and an elevator. Typical of its era, there's also a trunk room and a walk-in vault. less

The 1937 Le Beau Chateau set on 52 New Canaan acres has been owned by Huguette Clark since 1952, but she has never lived there. Father and son caretakers live in matching gate houses and maintain the more than ... more

Photo: ST

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A deer stands on the grass of the Huguette Clark estate at 104 Dans Highway, New Canaan, Conn. The property is on the market for $15.9 million. A wildlife rescue non-profit would like to buy it and preserve the open space. less

A deer stands on the grass of the Huguette Clark estate at 104 Dans Highway, New Canaan, Conn. The property is on the market for $15.9 million. A wildlife rescue non-profit would like to buy it and preserve ... more

Photo: Contributed

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The Huguette Clark estate at 104 Dans Highway in New Canaan, Conn. features a diversity of ecosystems, including fields, forests, and rivers.

The Huguette Clark estate at 104 Dans Highway in New Canaan, Conn. features a diversity of ecosystems, including fields, forests, and rivers.

Photo: Contributed

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The Huguette Clark estate at 104 Dans Highway in New Canaan, Conn. features a diversity of ecosystems, including fields, forests, and rivers.

The Huguette Clark estate at 104 Dans Highway in New Canaan, Conn. features a diversity of ecosystems, including fields, forests, and rivers.

Photo: Contributed

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FILE - This Aug. 11, 1930 file photo shows Mrs. Huguette Clark Gower, daughter of the late Sen. William A. Clark of Montana, a copper magnate, in Reno, Nev. Clark, the 104-year-old heiress to a Montana copper fortune who once lived in the largest apartment on Fifth Avenue, died Tuesday, May 24, 2011, at a Manhattan hospital even as an investigation continues into how her millions were handled. (AP Photo, File) less

FILE - This Aug. 11, 1930 file photo shows Mrs. Huguette Clark Gower, daughter of the late Sen. William A. Clark of Montana, a copper magnate, in Reno, Nev. Clark, the 104-year-old heiress to a Montana copper ... more